Weather in San Bernardino in October
In an average October, San Bernardino sees a daily high around 78°F and a low around 54°F, based on 1980–2026 of local climate records.
| Average high | 78°F |
|---|---|
| Typical high range | 67°F to 88°F |
| Average low | 54°F |
| Typical low range | 48°F to 60°F |
| Average daily precipitation | 0.00 in |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
100°F
2024-10-02
Lowest
53°F
1996-10-28
Low
Highest
70°F
2008-10-01
Lowest
37°F
1991-10-31
Feels-like
Highest
105°F
1991-10-01
Lowest
32°F
2019-10-31
Humidity
Highest
15.2 g/m³
2015-10-18
Lowest
0.8 g/m³
2020-10-27
Wind
Highest
13 mph
1984-10-23
Lowest
4 mph
2010-10-20
Gust
Highest
43 mph
2004-10-20
Lowest
10 mph
1987-10-25
Precip
Wettest
7.42 in
2004
Driest
0.01 in
2019
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